[stubs] Introduce LeftShift, SignedRightShift and UnsignedRightShift stubs.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 2bf86d4b9c13b6ff9ebe98838f25d0fbe5f55c5d..25776e1e9c8cde19b0b7f2f5e79659bc29eb37fb 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -115,6 +115,9 @@ namespace internal {
   V(Multiply)                               \
   V(Divide)                                 \
   V(Modulus)                                \
+  V(SignedRightShift)                       \
+  V(UnsignedRightShift)                     \
+  V(LeftShift)                              \
   V(BitwiseAnd)                             \
   V(BitwiseOr)                              \
   V(BitwiseXor)                             \
@@ -713,6 +716,31 @@ class ModulusStub final : public TurboFanCodeStub {
   DEFINE_TURBOFAN_CODE_STUB(Modulus, TurboFanCodeStub);
 };
 
+class SignedRightShiftStub final : public TurboFanCodeStub {
+ public:
+  explicit SignedRightShiftStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
+  DEFINE_TURBOFAN_CODE_STUB(SignedRightShift, TurboFanCodeStub);
+};
+
+class UnsignedRightShiftStub final : public TurboFanCodeStub {
+ public:
+  explicit UnsignedRightShiftStub(Isolate* isolate)
+      : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
+  DEFINE_TURBOFAN_CODE_STUB(UnsignedRightShift, TurboFanCodeStub);
+};
+
+class LeftShiftStub final : public TurboFanCodeStub {
+ public:
+  explicit LeftShiftStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}
+
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(BinaryOp);
+  DEFINE_TURBOFAN_CODE_STUB(LeftShift, TurboFanCodeStub);
+};
+
 class BitwiseAndStub final : public TurboFanCodeStub {
  public:
   explicit BitwiseAndStub(Isolate* isolate) : TurboFanCodeStub(isolate) {}